理論電壓 的英文怎麼說
中文拼音 [lǐlúndiànyā]
理論電壓
英文
theoretical voltage-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。A lot of engineering applications are carried out using our proposed method in this paper, such as thermal deformation measurement of a car lamp, analysis of the super low frequency harmonic vibration of a piezoelectric ceramic, dynamic mechanical behavior analysis of the ballistite material and so on
在前面所提出的理論基礎之上,本文對該方法在實際工程中的應用做出了大量的工作。本文利用時間序列法實現了汽車前燈配光鏡的熱變形檢測、壓電陶瓷片的超低頻振動分析以及火箭固體燃料的動態力學特性研究。First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field
首先,對液體介質的靜電霧化機理作了初步的探討,理論上分析了液體霧化過程中射流區、波紋區、霧滴區和霧滴擴散區;然後對液體荷電方法進行了研究分析,對于高電導率的液體,場致荷電和接觸荷電可以使其霧化,而對于電導率較低的絕緣液體,需用浸潤電極荷電和感應荷電方法使其充分帶電;最後,根據前面的研究分析,設計和組裝試驗裝置,在同一環境下對煤油、乳化劑、酒精三種不同液體介質進行高壓靜電霧化試驗,並對試驗結果進行分析處理,總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等,得出高壓靜電場中液體霧化的一般規律。There are two innovated points in this paper. the first is that we abandoned mechanical apparatus in deflexion, and this is good for signal ’ s disposal. the second is that we adopted nlc facility and this will largely lighten apt systerm ’ s size, weight and power consumption
本論文的創新主要在於兩個方面: ( 1 )摒棄了機械式的偏轉控制,便於其後的信號處理。且該器件驅動電壓低(約3伏) ,功耗小(毫瓦級/平方厘米) 。Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test
監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。The fourth, the models of the drivers are set up by electromotor drive and fluid drive theory, from which the programs are compiled for adams to call in as the input parameters
運用電機拖動、液壓控制的一般理論建立了某炮供輸彈系統驅動環節的數學模型並編制了相應計算程序,通過adams的數據介面調用這些程序以作為動力參數輸入。The theories and design principles of each circuit of the spwm three - phase frequency inverter experiment unit are in detail introduced in this thesis. at the same time some experiment results are shown that include the output voltage and current waves when the load is in resistivity, inductivity or asynchronous motor
文中詳細介紹了spwm三相變頻實驗單元所包含的各電路環節的理論基礎及設計過程,並給出了調試結果,如負載為阻性、感性和異步電動機時,實驗單元輸出的電壓和電流波形。In this paper, porous nanocrystalline titanium dioxide films were used to modify the surface of quartz crystal microbalance ( qcm ), the response of qcm with high roughness layer hi liquid phase was discussed, and the difference between the theoretic value and frequency response measured was illustrated in detail
本文採用tio _ 2納米粒多孔膜修飾壓電晶體傳感器,對高粗糙度壓電傳感器的響應進行了探討,闡明了在液相中壓電響應的實際值與理論值產生偏差的主要原因。Cells with dense ysz films provideopen - circuit voltage ( ocv ) of 1. 08v, which is very close to the ocv predictedby nernst equation
基於緻密電解質膜的電池開路電壓可以達到1 . 08v ,與根據能斯特方程計算的理論開路電壓相當。The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement
2 .在鎖相理論指導下,第三章討論了頻率合成器設計中的鑒頻鑒相器、數字濾波器、恆溫壓控振蕩器和分頻電路設計。為了進一步提高頻率合成的精度,文中給出了提高鑒頻鑒相器性能的一些設計思想,結合fpga的硬體設計驗證了其可行性。Furthermore, the existing theory can ’ t explain the photocurrent gain, so the i - v characteristics under illumination are the keystone of the research work
並且現有理論無法解釋光增益現象,因此穩態光照下電流隨偏壓變化的關系成為本文研究的重點之一。Analysis of the charge process for reb accelerator with tesla transformer
變壓器型強流電子加速器充電理論分析The operation principleresult of saving power , mate rial and reliability of ac and dc usual auto - converting saving power instrument are expounded, which the operation - coil of ac contactor given ac and dc voltage is usual, output is even dc, on and off and keeping voltage non - contactor auto - convert
論述了與交流接觸器操作線圈適配的交直流輸入(操作)電壓通用、恆直流輸出、吸合與保持電壓無觸點自動轉換節電器的工作原理;接觸器配用節電器后的節能節材效果及節電器的可靠性。2. based on the results of experimental data of the tailrace surge tank of yi xing pumped - storage station in jiangsu province, this research investigates the methods for the head loss coefficients of throttled surge tank with linking pipe by means of the method which incorporates experimental results with theoretical analysis
結合江蘇宜興抽水蓄能電站尾水調壓室水力模型試驗成果,採用理論計算與模型試驗結果相結合的方法,對有連接管的阻抗式調壓室局部水頭損失系數的計算方法進行了討論。The characteristics of piezoelectric material, the design method of bionic thermostable structure and theirs applications are systematically and profoundly studied on both theory and fundamental technique
從理論和基礎技術兩方面入手,對壓電材料的特性、仿生熱穩定構件的設計方法及其應用進行深入系統的研究。Since low voltnge, low power cmos analogy circuit and current - mode analogy integrated circuit have so many advaotages, it has become most appealing for vlsi t6chnique theorotical scholar and design engineel filter is an important unit of analog integrated circuit, whose structue construction and design method can estend to the design of large scale " ana1og integrated circuit.
低電壓、低功率cmos模擬電路與電流模式集成電路由於具有諸多的優點而成為當前vlsi技術理論工作者和設計工程師所關注的熱點。模擬濾波器作為模擬集成電路的重要單元,其結構生成方法和電路設計方法可推廣至大規模集成電路設計,具有重要的參考價值和實際應用價值。Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate
本文著重研究了在混凝土約束條件下壓電陶瓷片的樣本模型,在此基礎上通過理論探討和實驗現象分析,認為埋置於混凝土中的壓電陶瓷片是符合彈性力學中克希霍夫有關薄板理論的假設,是屬于薄板振動問題,並確定了其邊界約束條件。During the research of the novel high - voltage soi lateral structure, we established its blocking theory based on poisson equation, which classifies its blocking mechanism by describing the potential distribution in the drift region very well when the device is in the blocking state
在新型橫向高壓器件結構tsoi的研究中,本文通過二維泊松方程建立其解析理論,正確描述了漂移區中電場的分佈,並闡明其耐壓機理。In accordance with the condition that the higher harmonic overproofs in the 110kv substation in chucun cangzhou and the request that voltage - reactive power overall control will be realized in the whole substation, this paper focuses on how to bring substation harmonic and voltage - reactive power under control, and puts forward solutions and technical measures
針對滄州楮村110kv變電站存在的高次諧波超標的情況,以及實現全站電壓無功綜合控制的要求,本論文重點研究了變電站諧波治理和電壓無功控制的問題,提出了解決方案和技術措施。On the basis of classical shell theory and piezoelectric equations, existed a laminated shell ' s theory is improved and extended. with mindlin theory - one order shear theory, and considering both of shear deformation and rotating inertial effect, a set of vibration control differential equations, sensing equations and actuating equations of piezoelectric laminated shell are derived through its structure energy functions
本文在經典殼體理論和壓電方程的基礎上,對已有的層合殼理論進行了擴展,並基於mindlin理論? ?一階剪切理論,同時考慮剪切變形和轉動慣性效應,從結構的能量泛函出發,推導獲得一組廣泛適用的壓電層合殼振動控制微分方程、傳感方程和作動方程。分享友人